Chart and table of population level and growth rate for the London, UK metro area from 1950 to 2025. United Nations population projections are also included through the year 2035.

In 1800, the population of the region of present-day India was approximately 169 million. The population would grow gradually throughout the 19th century, rising to over 240 million by 1900. Population growth would begin to increase in the 1920s, as a result of falling mortality rates, due to improvements in health, sanitation and infrastructure. However, the population of India would see it’s largest rate of growth in the years following the country’s independence from the British Empire in 1948, where the population would rise from 358 million to over one billion by the turn of the century, making India the second country to pass the billion person milestone. While the rate of growth has slowed somewhat as India begins a demographics shift, the country’s population has continued to grow dramatically throughout the 21st century, and in 2020, India is estimated to have a population of just under 1.4 billion, well over a billion more people than one century previously. Today, approximately 18% of the Earth’s population lives in India, and it is estimated that India will overtake China to become the most populous country in the world within the next five years.

As of January 2024, India had a total of 362 million Instagram users, the largest Instagram audience in the world. The United States had 169 million users, and Brazil had 134 million. Indonesia, Turkey, and Japan ranked in fourth, fifth and sixth position, respectively. Brunei is the leading country for Instagram audience reach, with 92 percent of the population using the social media service. Guam came in second, with a penetration rate of 79.2 percent and the Cayman Islands ranked third, with 78.8 percent, followed closely by Kazakhstan, Iceland and Montenegro. It took Instagram 11.2 years to reach the milestone of 2 billion monthly active users worldwide. WhatsApp, also owned by Meta, took 11 years, whilst Facebook took 13.3 years and YouTube took just over 14 years. Instagram’s demographics in the United States As of May 2021, Instagram was the fourth most visited social media service in the United States, after Facebook, Pinterest and Twitter. Out of TikTok, Instagram and Snapchat, TikTok was the most used of all three platforms by Generation Z. Overall, 57 percent of Gen Z social media users used Instagram, down from 61 percent in 2020 and 64 percent in 2019. Instagram finds most popularity with those in the 25 to 34 year age group, and as of December 2021, roughly a third of all users in the United States belonged to this age group. The social media app was also more likely to be used by women. Most followed accounts on Instagram Instagram’s official account had the most followers as of February 2022 with over 470 million followers. Manchester United forward Cristiano Ronaldo (@cristiano) had over 401 million followers on the platform and media personality and makeup mogul Kylie Jenner (@kyliejenner) had over 309 million followers. National Geographic (@natgeo) had over 206.9 million followers, sharing educational content through its renowned photojournalism.

In 2022, the majority of Indian adults had a wealth of 10,000 U.S. dollars or less. On the other hand, about 0.1 percent were worth more than one million dollars that year. India The Republic of India is one of the world’s largest and most economically powerful states. India gained independence from Great Britain on August 15, 1947, after having been under their power for 200 years. With a population of about 1.4 billion people, it was the second most populous country in the world. Of that 1.4 billion, about 28.5 million lived in New Delhi, the capital. Wealth inequality India suffers from extreme income inequality. It is estimated that the top 10 percent of the population holds 77 percent of the national wealth. Billionaire fortune has increase sporadically in the last years whereas minimum wages have remain stunted.